Auto-translated
Yes, to start, a normal build with **_25 levels_** had such an upgrade, but it's not for easily defeating Phoenixes.
1. Necromancy
2. Necromancy
3. Education
4. Eternal Slavery
5. Spiritual Bond
6. Machine Control
7. Intelligence
8. Plague Tent
9. Education
10. Ballista
11. Education
12. Banshee's Cry
13. Graduate
14. Dark Discovery
15. Logistics
16. Logistics
17. Finding the Way
18. Path of War
19. Darkness
20. Reconnaissance
21. Master of the Mind
22. Darkness
23. Master of Pain
24. Cursed Land
So: ATTACKS 13
DEFENSE 17
SPELLS 28
KNOWLEDGE 12
Total 70 with artifacts
Mercury is weak, only 11 total.
53 battles.
3 hours on the map without auto-battle.
I didn't have time to send the SAVE.